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How far is Unalaska, AK, from Sioux City, IA?

The distance between Sioux City (Sioux Gateway Airport) and Unalaska (Unalaska Airport) is 3199 miles / 5148 kilometers / 2780 nautical miles.

Sioux Gateway Airport – Unalaska Airport

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3199
Miles
Distance arrow
5148
Kilometers
Distance arrow
2780
Nautical miles

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Distance from Sioux City to Unalaska

There are several ways to calculate the distance from Sioux City to Unalaska. Here are two standard methods:

Vincenty's formula (applied above)
  • 3198.894 miles
  • 5148.120 kilometers
  • 2779.763 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 3190.034 miles
  • 5133.863 kilometers
  • 2772.064 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Sioux City to Unalaska?

The estimated flight time from Sioux Gateway Airport to Unalaska Airport is 6 hours and 33 minutes.

Flight carbon footprint between Sioux Gateway Airport (SUX) and Unalaska Airport (DUT)

On average, flying from Sioux City to Unalaska generates about 358 kg of CO2 per passenger, and 358 kilograms equals 789 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Sioux City to Unalaska

See the map of the shortest flight path between Sioux Gateway Airport (SUX) and Unalaska Airport (DUT).

Airport information

Origin Sioux Gateway Airport
City: Sioux City, IA
Country: United States Flag of United States
IATA Code: SUX
ICAO Code: KSUX
Coordinates: 42°24′9″N, 96°23′3″W
Destination Unalaska Airport
City: Unalaska, AK
Country: United States Flag of United States
IATA Code: DUT
ICAO Code: PADU
Coordinates: 53°54′0″N, 166°32′38″W